CN106224128A - There is the CNG decompressor of the piston type mechanism of decompressor - Google Patents
There is the CNG decompressor of the piston type mechanism of decompressor Download PDFInfo
- Publication number
- CN106224128A CN106224128A CN201610569214.XA CN201610569214A CN106224128A CN 106224128 A CN106224128 A CN 106224128A CN 201610569214 A CN201610569214 A CN 201610569214A CN 106224128 A CN106224128 A CN 106224128A
- Authority
- CN
- China
- Prior art keywords
- decompressor
- assembly
- main body
- piston type
- piston rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0239—Pressure or flow regulators therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The present invention provides a kind of CNG decompressor with the piston type mechanism of decompressor, including decompressor main body;The bottom of decompressor main body is provided with high-voltage electromagnetic valve module, the side section of decompressor main body is provided with high-pressure inlet holder assembly and piston type mechanism of decompressor assembly, high-pressure inlet holder assembly is connected with high-voltage electromagnetic valve module, and high-voltage electromagnetic valve module is connected with piston type mechanism of decompressor assembly;Decompressor body interior is provided with balanced valve assembly and secondary membrane chip mechanism of decompressor assembly, and secondary membrane chip mechanism of decompressor assembly is connected with piston type mechanism of decompressor assembly, and balanced valve assembly is connected with secondary membrane chip mechanism of decompressor assembly.
Description
Technical field
The present invention relates to and is specifically related to a kind of CNG decompressor with the piston type mechanism of decompressor.
Background technology
Decompressor is parts used on automobile, for natural gas is carried out decompression operation.Existing decompressor is generally adopted
By diaphragm spring type structure and one-level or second depressurized mode.This kind of decompressor is used for CNG automobile.Along with LNG is on automobile
Using, the decompressor of diaphragm spring structure progressively shows and is easily conditioned in use and is difficult to stable and controls, and volume is relatively big, peace
The problems such as dress more inconvenience.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of have the piston type mechanism of decompressor
CNG decompressor, this CNG decompressor with the piston type mechanism of decompressor can solve the problems referred to above well.
For reaching above-mentioned requirements, the present invention adopts the technical scheme that: provide one to have the piston type mechanism of decompressor
CNG decompressor, this CNG decompressor with the piston type mechanism of decompressor includes decompressor main body;Described decompressor main body
On be integrated with the double-U-shaped water channel of series connection, the bottom of described decompressor main body is provided with high-voltage electromagnetic valve module, described decompressor master
The side section of body is provided with high-pressure inlet holder assembly and piston type mechanism of decompressor assembly, described high-pressure inlet holder assembly and described high pressure
Electromagnetic valve component is connected, and described high-voltage electromagnetic valve module is connected with described piston type mechanism of decompressor assembly;Described decompressor
Body interior is provided with balanced valve assembly and secondary membrane chip mechanism of decompressor assembly, described secondary membrane chip mechanism of decompressor assembly with
Described piston type mechanism of decompressor assembly is connected, and described balanced valve assembly is connected with described secondary membrane chip mechanism of decompressor assembly
Connecing, described high-pressure inlet holder assembly and piston type mechanism of decompressor assembly are positioned to both sides, and described decompressor main body is provided with
For compensating the venturi compensation mechanism of decompressor outlet pressure, described high-pressure inlet holder assembly and described venturi compensation mechanism
It is positioned at described decompressor main body homonymy;
Also include that Intake Cover, spring, piston rod, give vent to anger lid and mounting bracket, described Intake Cover and lid of giving vent to anger are the most airtight
Being fixed on the both sides of described main body, described body interior offers cavity, and described piston rod is placed in the cavity of described body interior
In, the two ends of described piston rod seal with the cavity wall of described body interior respectively and are connected;Described piston is located at by described spring housing
On bar, described spring is between the cavity and described piston rod of described body interior, and the centre of described piston rod is provided with gas
Through hole;
Also include that seal receptacle and diaphragm seal, described seal receptacle are located between Intake Cover and described main body, on described seal receptacle
Being provided with gas via-hole, described diaphragm seal is located in described seal receptacle, and described diaphragm seal leaves space with the side of described piston rod.
This CNG decompressor with the piston type mechanism of decompressor has the advantage that as follows: agent structure is compact simply, just
In processing.It uses piston rod to add the movement parts structure decompression principle as regulation pressure of spring, and valve port activity is freely, surely
Fixed;Main parts size is revolving parts, it is simple to processing, compact, it is simple to be arranged on automotive frame or LNG air feed bottle
On framework.Due to the pressure after LNG vaporization typically at more than 1MP and no more than 2.5MPa, in this input pressure scope, this
The output pressure of invention piston type pressure reducer and stability of flow.It can just demarcate output pressure as required before dispatching from the factory, and uses
In be made without pressure adjust.Compared with domestic and international similar diaphragm spring type decompressor, its stable performance.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, at this
A little accompanying drawings use identical reference number to represent same or analogous part, the schematic description and description of the application
For explaining the application, it is not intended that the improper restriction to the application.In the accompanying drawings:
The CNG with the piston type mechanism of decompressor that Fig. 1 schematically shows according to one embodiment of the application subtracts
The structural representation of depressor.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearer, below in conjunction with drawings and the specific embodiments, right
The application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown
The embodiment so described or example can include special characteristic, structure, characteristic, character, element or limit, but the most each reality
Execute example or example the most necessarily includes special characteristic, structure, characteristic, character, element or limit.It addition, reuse phrase " according to
One embodiment of the application " although it is possible to refer to identical embodiment, but it is not necessarily referring to identical embodiment.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristic.
An embodiment according to the application, it is provided that a kind of CNG decompressor with the piston type mechanism of decompressor, such as figure
Shown in 1, including decompressor main body 7;The double-U-shaped water channel of series connection, described decompressor main body 7 it is integrated with in described decompressor main body 7
Bottom be provided with high-voltage electromagnetic valve module 2, the side section of described decompressor main body 7 is provided with high-pressure inlet holder assembly 1 and piston
Formula mechanism of decompressor assembly 3, described high-pressure inlet holder assembly 1 is connected with described high-voltage electromagnetic valve module 2, described high-pressure solenoid valve
Assembly 2 is connected with described piston type mechanism of decompressor assembly 3;Described decompressor main body 7 is internally provided with balanced valve assembly 4 and two
Level diaphragm type mechanism of decompressor assembly 5, described secondary membrane chip mechanism of decompressor assembly 5 and described piston type mechanism of decompressor assembly 3 phase
Connection, described balanced valve assembly 4 is connected with described secondary membrane chip mechanism of decompressor assembly 5, described high-pressure inlet holder assembly 1 with
Piston type mechanism of decompressor assembly 3 is positioned to both sides, and described decompressor main body 7 is provided with for compensating decompressor outlet pressure
Venturi compensation mechanism 6, described high-pressure inlet holder assembly 1 and described venturi compensation mechanism 6 are positioned at described decompressor main body 7
Homonymy.
An embodiment according to the application, this CNG decompressor with the piston type mechanism of decompressor also includes air inlet
Lid, spring, piston rod, give vent to anger lid and mounting bracket, described Intake Cover and lid of giving vent to anger the most airtight are fixed on the two of described main body
Side, described body interior offers cavity, and described piston rod is placed in the cavity of described body interior, the two ends of described piston rod
Seal with the cavity wall of described body interior respectively and be connected;Described spring housing is located on described piston rod, and described spring is positioned at institute
Stating between the cavity of body interior and described piston rod, the centre of described piston rod is provided with gas via-hole.
An embodiment according to the application, this CNG decompressor with the piston type mechanism of decompressor also includes sealing
Seat and diaphragm seal, described seal receptacle is located between Intake Cover and described main body, and described seal receptacle is provided with gas via-hole, described close
Mounting is located in described seal receptacle, and described diaphragm seal leaves space with the side of described piston rod.
Embodiment described above only represents the several embodiments of the present invention, and it describes more concrete and detailed, but not
It is understood that as limitation of the scope of the invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from
On the premise of present inventive concept, it is also possible to make some deformation and improvement, these broadly fall into scope.Therefore this
Bright protection domain should be as the criterion with described claim.
Claims (1)
1. a CNG decompressor with the piston type mechanism of decompressor, it is characterised in that: include decompressor main body;Described subtract
Being integrated with the double-U-shaped water channel of series connection in depressor main body, the bottom of described decompressor main body is provided with high-voltage electromagnetic valve module, described
The side section of decompressor main body is provided with high-pressure inlet holder assembly and piston type mechanism of decompressor assembly, described high-pressure inlet holder assembly with
Described high-voltage electromagnetic valve module is connected, and described high-voltage electromagnetic valve module is connected with described piston type mechanism of decompressor assembly;Institute
State decompressor body interior and be provided with balanced valve assembly and secondary membrane chip mechanism of decompressor assembly, described secondary membrane chip negative booster
Structure assembly is connected with described piston type mechanism of decompressor assembly, described balanced valve assembly and described secondary membrane chip mechanism of decompressor group
Part is connected, and described high-pressure inlet holder assembly and piston type mechanism of decompressor assembly are positioned to both sides, in described decompressor main body
It is provided with the venturi compensation mechanism for compensating decompressor outlet pressure, described high-pressure inlet holder assembly and described venturi to mend
Repay mechanism and be positioned at described decompressor main body homonymy;
Also include that Intake Cover, spring, piston rod, give vent to anger lid and mounting bracket, described Intake Cover and lid of giving vent to anger are the most airtight fixing
In the both sides of described main body, described body interior offers cavity, and described piston rod is placed in the cavity of described body interior, institute
The two ends stating piston rod are connected with the cavity wall sealing of described body interior respectively;Described spring housing is located on described piston rod,
Described spring is between the cavity and described piston rod of described body interior, and the centre of described piston rod is provided with gas via-hole;
Also including that seal receptacle and diaphragm seal, described seal receptacle are located between Intake Cover and described main body, described seal receptacle is provided with
Gas via-hole, described diaphragm seal is located in described seal receptacle, and described diaphragm seal leaves space with the side of described piston rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610569214.XA CN106224128A (en) | 2016-07-19 | 2016-07-19 | There is the CNG decompressor of the piston type mechanism of decompressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610569214.XA CN106224128A (en) | 2016-07-19 | 2016-07-19 | There is the CNG decompressor of the piston type mechanism of decompressor |
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CN106224128A true CN106224128A (en) | 2016-12-14 |
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CN201610569214.XA Pending CN106224128A (en) | 2016-07-19 | 2016-07-19 | There is the CNG decompressor of the piston type mechanism of decompressor |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200411842Y1 (en) * | 2006-01-04 | 2006-03-17 | 이병남 | Structure for preheating LPG vehicle using heating element sheet |
US20070193717A1 (en) * | 2004-09-21 | 2007-08-23 | Bayerische Motoren Werke Aktiengesellschaft | Heat exchanger for hydrogen-operated fuel supply systems |
CN202946263U (en) * | 2012-11-14 | 2013-05-22 | 嘉兴市力讯汽车电子有限公司 | Natural gas piston decompressor |
CN203516848U (en) * | 2013-11-01 | 2014-04-02 | 北京兰天达汽车清洁燃料技术有限公司 | Combined pressure regulator |
CN104963792A (en) * | 2015-07-13 | 2015-10-07 | 成都恩吉威汽车系统有限公司 | Automotive CNG pressure reducer with novel piston type pressure reducing mechanism |
CN105240579A (en) * | 2015-11-03 | 2016-01-13 | 捷锐企业(上海)有限公司 | Welded diaphragm type decompressor with high pressure stability |
-
2016
- 2016-07-19 CN CN201610569214.XA patent/CN106224128A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070193717A1 (en) * | 2004-09-21 | 2007-08-23 | Bayerische Motoren Werke Aktiengesellschaft | Heat exchanger for hydrogen-operated fuel supply systems |
KR200411842Y1 (en) * | 2006-01-04 | 2006-03-17 | 이병남 | Structure for preheating LPG vehicle using heating element sheet |
CN202946263U (en) * | 2012-11-14 | 2013-05-22 | 嘉兴市力讯汽车电子有限公司 | Natural gas piston decompressor |
CN203516848U (en) * | 2013-11-01 | 2014-04-02 | 北京兰天达汽车清洁燃料技术有限公司 | Combined pressure regulator |
CN104963792A (en) * | 2015-07-13 | 2015-10-07 | 成都恩吉威汽车系统有限公司 | Automotive CNG pressure reducer with novel piston type pressure reducing mechanism |
CN105240579A (en) * | 2015-11-03 | 2016-01-13 | 捷锐企业(上海)有限公司 | Welded diaphragm type decompressor with high pressure stability |
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Application publication date: 20161214 |
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